public static function all($params, $apiContext = null, $restCall = null)
{
ArgumentValidator::validate($params, 'params');
$payLoad = "";
$allowedParams = array('count' => 1, 'start_id' => 1, 'start_index' => 1, 'start_time' => 1, 'end_time' => 1, 'payee_id' => 1, 'sort_by' => 1, 'sort_order' => 1);
$json = self::executeCall("/v1/payments/payment?" . http_build_query(array_intersect_key($params, $allowedParams)), "GET", $payLoad, null, $apiContext, $restCall);
$ret = new PaymentHistory();
$ret->fromJson($json);
return $ret;
}